set size 1.0,1.0 
set terminal png 
set output 'residual.png'

set xlabel 'iter'
set ylabel 'RSM'

set logscale y
set logscale x
plot [][] 'L_3/res_7.out' u 1:2  title 'Levels : 3' w l,\
			'L_4/res_7.out' u 1:2  title 'Levels : 4' w l,\
			'L_5/res_7.out' u 1:2  title 'Levels : 5' w l,\
			'L_7/res_7.out' u 1:2  title 'Levels : 7' w l
		  
#pause -1 'weiter ?'
          
